#101D37#101D37

#101D37 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.4% C 0.054 H 262.9°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#101D37
RGB	rgb(16, 29, 55)
HSL	hsl(220, 55%, 14%)
HSV	hsv(220, 71%, 22%)
CMYK	cmyk(70.9%, 47.3%, 0%, 78.4%)
CIE-LAB	lab(11.03, 4.37, -18.69)
CIE-LCH	lch(11.03, 19.19, 283.16°)
OKLab	oklab(23.44% -0.0066 -0.0531)
OKLCH	oklch(23.44% 0.054 262.9)
XYZ	xyz(1.3424, 1.2646, 3.7870)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D37 #372A10

analogous

#103137 #101D37 #171037

triadic

#101D37 #37101D #1D3710

tetradic

#101D37 #371031 #372A10 #103717

square

#101D37 #371031 #372A10 #103717

split-complementary

#101D37 #371710 #313710

monochromatic

#070C18 #070C18 #101D37 #1E3666 #2C4F96

Accessibility & contrast

On white

16.76

#101D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D37

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D37	#FFFFFF	#000000	##FFFFFF
##101D37	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121F38

Deuteranopia (green-blind)

#0C1C36

Tritanopia (blue-blind)

#002327

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101d37;
/* rgb */ color: rgb(16, 29, 55);
/* oklch */ color: oklch(23.4% 0.054 262.9);

Tailwind

colors: {
  custom: {
    50: '#52586e',
    500: '#101d37',
    950: '#000000',
  },
}

SCSS

$custom: #101d37;
$custom-light: #52586e;
$custom-dark: #000000;

JSON

{
  "hex": "#101d37",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 55
  },
  "hsl": {
    "h": 220,
    "s": 54.93,
    "l": 13.922
  },
  "oklch": {
    "l": 0.23439,
    "c": 0.05354,
    "h": 262.9
  },
  "luminance": 0.01265
}

Semantic roles & 50–950 ramp

primary

#101D37

secondary

#715C32

accent

#AD4ADE

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020307

muted

#78787A

Preview Lab

Preview with #101D37

Body copy rendered with the generated semantic roles for this colour.

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